Add FilePath to base namespace.

chrome/browser/media_gallery/win/mtp_device_delegate_impl_win.h

Index: chrome/browser/media_gallery/win/mtp_device_delegate_impl_win.h
diff --git a/chrome/browser/media_gallery/win/mtp_device_delegate_impl_win.h b/chrome/browser/media_gallery/win/mtp_device_delegate_impl_win.h
index db41cf0c7320065fb1b7628b9918de9f940d11f2..d439edd874f654f04da37c97db69d46ad303cb1c 100644
--- a/chrome/browser/media_gallery/win/mtp_device_delegate_impl_win.h
+++ b/chrome/browser/media_gallery/win/mtp_device_delegate_impl_win.h
@@ -18,9 +18,8 @@
 #include "webkit/fileapi/file_system_file_util.h"
 #include "webkit/fileapi/media/mtp_device_delegate.h"
 
-class FilePath;
-
 namespace base {
+class FilePath;
 class SequencedTaskRunner;
 }
 
@@ -56,14 +55,14 @@ class MTPDeviceDelegateImplWin : public fileapi::MTPDeviceDelegate {
 
   // MTPDeviceDelegate:
   virtual base::PlatformFileError GetFileInfo(
-      const FilePath& file_path,
+      const base::FilePath& file_path,
       base::PlatformFileInfo* file_info) OVERRIDE;
   virtual scoped_ptr<fileapi::FileSystemFileUtil::AbstractFileEnumerator>
-      CreateFileEnumerator(const FilePath& root,
+      CreateFileEnumerator(const base::FilePath& root,
                            bool recursive) OVERRIDE;
   virtual base::PlatformFileError CreateSnapshotFile(
-      const FilePath& device_file_path,
-      const FilePath& local_path,
+      const base::FilePath& device_file_path,
+      const base::FilePath& local_path,
       base::PlatformFileInfo* file_info) OVERRIDE;
   virtual void CancelPendingTasksAndDeleteDelegate() OVERRIDE;